For the latest information we now have an updated chart at Roof Ventilation Alternatives Chart 2018!
We stumbled upon this cool table on the ATA Forum and it really gives a good representation (hopefully whoever did this has their facts right) of what’s on the market at the moment.
There are only a handful of roof ventilation alternatives listed here, however if you’re looking for passive ventilation then this probably isn’t your best bet.
The alternatives gives you a really strong indication of the difference in power across the variety of alternatives.
EDIT: We’ve decided to link you to all the products that were put in this chart directly – as we get lots of inquiries about where people can find roof ventilation directly. Listed in order of most air flow to least airflow.
4 Roof Ventilation Units: SW900. SW1400, SW2100, SW3000
1 Unit: SVA25
Updated Information as of May 2015:
Models: RM1200 & RM1600
Air flow Capacity – 1080-1800
Noice Level – whisper quiet
Weight Est – 7-8kgs
Flashing – Moulded Polypropelene
Whirlybirds – 10-15+
2 Units: RM1200, RM1600 (Performance Report)
(As supplied by Carrie Meerten – Brisbanedaylightsystems.com.au)
1 Unit: Power Vent
Then there’s your general whirlybirds which we don’t recommend because of their low power output and airflow.
So have a look at the solar roof ventilation alternatives above instead.
If you’ve got any questions about how you can ventilate your home effectively, give us a yell and we’ll try send you in the right direction!